Scattering of high-velocity He and Ar beams by methane, silane, and germane
Abstract
Fast He and Ar beams have been scattered by room-temperature CH4, SiH4, and GeH4 to obtain average atom-molecule potentials for He-CH4, He-SiH4, He-GeH4, Ar-CH4, and Ar-GeH4. Somewhat unexpectedly, the potential for He-GeH4 was intermediate between He-CH4 and He-SiH4; this apparent discrepancy, however, correlates with the bond polarities. The potential for Ar-CH4 can be satisfactorily predicted from that for He-CH4 by means of simple potential models and combination rules. The analogous prediction for Ar-GeH4 is unsatisfactory; reasons for the discrepancy are discussed.
- Publication:
-
Journal of Chemical Physics
- Pub Date:
- March 1976
- DOI:
- 10.1063/1.432426
- Bibcode:
- 1976JChPh..64.2048A
- Keywords:
-
- Atomic Beams;
- Chemical Bonds;
- Interatomic Forces;
- Particle Interactions;
- Potential Fields;
- Argon;
- Germanium Compounds;
- Helium;
- Methane;
- Potential Energy;
- Scattering Cross Sections;
- Silanes;
- Atomic and Molecular Physics;
- 34.20.Be;
- 34.40.+n